Public bug reported:
Booting an ARM64 SynQuacer™ E-Series software development machine with
the 5.8 kernel will fail to configure the SATA drives DMA range
correctly because of a regression caused by commit 7a8b64d17e35
("of/address: use range parser for of_dma_get_range"). Currently
invalid CPU addresses are not being sanity checked causing this issue.
The fix:
Upstream linux-next commit:
commit f49c7faf776f16607c948d852a03b04a88c3b583
Author: Colin Ian King <colin.k...@canonical.com>
Date: Mon Aug 17 12:32:08 2020 +0100
of/address: check for invalid range.cpu_addr
** Affects: linux (Ubuntu)
Importance: High
Assignee: Colin Ian King (colin-king)
Status: In Progress
** Affects: linux (Ubuntu Groovy)
Importance: High
Assignee: Colin Ian King (colin-king)
Status: In Progress
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Also affects: linux (Ubuntu Groovy)
Importance: High
Assignee: Colin Ian King (colin-king)
Status: In Progress
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https://bugs.launchpad.net/bugs/1892138
Title:
DMA config issues on Synquacer ARM64 platform cause SATA configuration
failures on boot
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